56 lines
2.2 KiB
Java
56 lines
2.2 KiB
Java
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/*******************************************************************************
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* Copyright (c) 2020 Konduit K.K.
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*
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* This program and the accompanying materials are made available under the
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* terms of the Apache License, Version 2.0 which is available at
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* https://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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* SPDX-License-Identifier: Apache-2.0
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******************************************************************************/
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import org.eclipse.python4j.Python;
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import org.eclipse.python4j.PythonGC;
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import org.eclipse.python4j.PythonObject;
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import org.junit.Assert;
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import org.junit.Test;
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import org.nd4j.linalg.factory.Nd4j;
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import javax.annotation.concurrent.NotThreadSafe;
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@NotThreadSafe
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public class PythonNumpyGCTest {
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@Test
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public void testGC(){
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PythonObject gcModule = Python.importModule("gc");
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PythonObject getObjects = gcModule.attr("get_objects");
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PythonObject pyObjCount1 = Python.len(getObjects.call());
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long objCount1 = pyObjCount1.toLong();
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PythonObject pyList = Python.list();
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pyList.attr("append").call(new PythonObject(Nd4j.linspace(1, 10, 10)));
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pyList.attr("append").call(1.0);
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pyList.attr("append").call(true);
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PythonObject pyObjCount2 = Python.len(getObjects.call());
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long objCount2 = pyObjCount2.toLong();
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long diff = objCount2 - objCount1;
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Assert.assertTrue(diff > 2);
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try(PythonGC gc = PythonGC.watch()){
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PythonObject pyList2 = Python.list();
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pyList2.attr("append").call(new PythonObject(Nd4j.linspace(1, 10, 10)));
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pyList2.attr("append").call(1.0);
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pyList2.attr("append").call(true);
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}
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PythonObject pyObjCount3 = Python.len(getObjects.call());
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long objCount3 = pyObjCount3.toLong();
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diff = objCount3 - objCount2;
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Assert.assertTrue(diff <= 2);// 2 objects created during function call
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}
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}
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